Home / 87,555,553.20-120,826,689.60-47,863,256.56

Finding the Fourth Proportional to 87,555,553.20, 120,826,689.60 and 47,863,256.56

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Solution

The fourth proportional to 87,555,553.20, 120,826,689.60 and 47,863,256.56 is: 66,051,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,555,553.20 : 120,826,689.60 = 47,863,256.56 : x
  2. Step 2: Convert to fraction form
    87,555,553.20/120,826,689.60 = 47,863,256.56/x
  3. Step 3: Cross multiply
    87,555,553.20x = 120,826,689.60 × 47,863,256.56
  4. Step 4: Simplify right side
    87,555,553.20x = 5,783,158,843,620,284
  5. Step 5: Solve for x
    x = 5,783,158,843,620,284/87,555,553.20
  6. Step 6: Final answer
    x = 66,051,308.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.